Aquaspirillum gracile (Canale-Parola et al., 1966) Hylemon et al., 1973 Dataset Prokaryotic Nomenclature Up-to-Date (PNU) Rank SPECIES Published in Int. J. Syst. Bacteriol. 30::251 Classification genus Hylemonella species Hylemonella gracilis Name Homonyms Aquaspirillum gracile (Canale-Parola et al., 1966) Hylemon et al., 1973